>> MP4 file

MP4 file format description

Many people share .mp4 files without attaching instructions on how to use it. Yet it isn’t evident for everyone which program a .mp4 file can be edited, converted or printed with. On this page, we try to provide assistance for handling .mp4 files.

2 filename extension(s) found in our database.

.mp4 - Mpeg-4 Video Container

The MP4 video files are related to Windows Media Player. The MP4 file is an Mpeg-4 Video Container. It is the global file extension for the official container format defined in the MPEG-4 standard. This format allows you to combine different multimedia streams (most of the time audio and video) into one single file.

Windows Media Player
Video files
- / -
mp4s, mp4v, mpeg-4, mpeg4, mpg4, mpv4, mv4
Mpeg-4 Video Container related extensions:
Sony XAVC Video
Youku KUX Video
Atomic3D Video
LiveSwif Movie
TiVo DVR Video

.m4a - Mpeg-4 Audio

The M4A audio files are related to Windows Media Player. The M4A file is a MPEG-4 audio stream (MP4). MP4 is a better audio compression technology than old MP3.

Windows Media Player
Audio files
- / -
mp4, mp4a
Mpeg-4 Audio related extensions:
Mpeg-2 Audio
ALSong Album
Renoise Song
Psycle Song
OtsAV Album
Lyrics Data

Naturally, other applications may also use the .mp4 file extension. Even harmful programs can create .mp4 files. Be especially cautious with .mp4 files coming from an unknown source!

Can't open a .mp4 file?

When you double-click a file to open it, Windows examines the filename extension. If Windows recognizes the filename extension, it opens the file in the program that is associated with that filename extension. When Windows does not recognize a filename extension, you receive the following message:

Windows can't open this file:


To open this file, Windows needs to know what program you want to use to open it. Windows can go online to look it up automatically, or you can manually select one from a list of programs that are installed on your computer.

To avoid this error, you need to set the file association correctly.

The .mp4 file extension is often given incorrectly!

According to the searches on our site, these misspellings were the most common in the past year:

hp4, jp4, lp4, m4, m4p, ml4, mp, mpe, mpr, mpt, np4, p4, pm4

Is it possible that the filename extension is misspelled?

Similar file extensions in our database:

Race Studio 2 Map File
MOUSE Project
MetaPost Source Code
Microsoft Project Template
MatrixPlot Data
Autodesk Maya 3D Project

Operating systems currently supports the following operating systems:

Windows XP/Vista, Windows 7/8, Windows 10, CentOS, Debian GNU/Linux, Ubuntu Linux, FreeBSD, Mac OS X, iOS, Android

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